Question

How to use static variable in Rust

Answer 1

static STR: &str = "Rust";

fn main() {
    println!("{}", STR); 
}


  
/*
run:
  
Rust
 
*/

 

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Answer 2

static mut COUNTER: u32 = 0;

fn main() {
    unsafe {
        COUNTER += 1; // For mutable
        println!("{}", COUNTER);
    }
}


  
/*
run:
  
1
 
*/

 

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